APA citiranje

Quispe Guanca, J. L. (2007). Characterization of the environmental and productive impact of the different coffee certification standars in Costa Rica.

Citación estilo Chicago

Quispe Guanca, José L. Characterization of the Environmental and Productive Impact of the Different Coffee Certification Standars in Costa Rica. 2007.

MLA citiranje

Quispe Guanca, José L. Characterization of the Environmental and Productive Impact of the Different Coffee Certification Standars in Costa Rica. 2007.